382 lines
15 KiB
Go
382 lines
15 KiB
Go
package main
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import (
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"archive/tar"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"os"
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"strings"
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"sync"
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"github.com/docker/distribution/reference"
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"github.com/docker/docker/integration-cli/checker"
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"github.com/docker/docker/integration-cli/cli/build"
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"github.com/go-check/check"
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"gotest.tools/icmd"
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)
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// Pushing an image to a private registry.
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func testPushBusyboxImage(c *check.C) {
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repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
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// tag the image to upload it to the private registry
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dockerCmd(c, "tag", "busybox", repoName)
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// push the image to the registry
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dockerCmd(c, "push", repoName)
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}
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func (s *DockerRegistrySuite) TestPushBusyboxImage(c *check.C) {
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testPushBusyboxImage(c)
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}
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func (s *DockerSchema1RegistrySuite) TestPushBusyboxImage(c *check.C) {
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testPushBusyboxImage(c)
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}
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// pushing an image without a prefix should throw an error
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func (s *DockerSuite) TestPushUnprefixedRepo(c *check.C) {
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out, _, err := dockerCmdWithError("push", "busybox")
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c.Assert(err, check.NotNil, check.Commentf("pushing an unprefixed repo didn't result in a non-zero exit status: %s", out))
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}
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func testPushUntagged(c *check.C) {
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repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
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expected := "An image does not exist locally with the tag"
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out, _, err := dockerCmdWithError("push", repoName)
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c.Assert(err, check.NotNil, check.Commentf("pushing the image to the private registry should have failed: output %q", out))
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c.Assert(out, checker.Contains, expected, check.Commentf("pushing the image failed"))
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}
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func (s *DockerRegistrySuite) TestPushUntagged(c *check.C) {
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testPushUntagged(c)
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}
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func (s *DockerSchema1RegistrySuite) TestPushUntagged(c *check.C) {
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testPushUntagged(c)
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}
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func testPushBadTag(c *check.C) {
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repoName := fmt.Sprintf("%v/dockercli/busybox:latest", privateRegistryURL)
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expected := "does not exist"
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out, _, err := dockerCmdWithError("push", repoName)
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c.Assert(err, check.NotNil, check.Commentf("pushing the image to the private registry should have failed: output %q", out))
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c.Assert(out, checker.Contains, expected, check.Commentf("pushing the image failed"))
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}
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func (s *DockerRegistrySuite) TestPushBadTag(c *check.C) {
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testPushBadTag(c)
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}
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func (s *DockerSchema1RegistrySuite) TestPushBadTag(c *check.C) {
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testPushBadTag(c)
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}
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func testPushMultipleTags(c *check.C) {
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repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
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repoTag1 := fmt.Sprintf("%v/dockercli/busybox:t1", privateRegistryURL)
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repoTag2 := fmt.Sprintf("%v/dockercli/busybox:t2", privateRegistryURL)
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// tag the image and upload it to the private registry
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dockerCmd(c, "tag", "busybox", repoTag1)
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dockerCmd(c, "tag", "busybox", repoTag2)
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dockerCmd(c, "push", repoName)
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// Ensure layer list is equivalent for repoTag1 and repoTag2
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out1, _ := dockerCmd(c, "pull", repoTag1)
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imageAlreadyExists := ": Image already exists"
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var out1Lines []string
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for _, outputLine := range strings.Split(out1, "\n") {
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if strings.Contains(outputLine, imageAlreadyExists) {
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out1Lines = append(out1Lines, outputLine)
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}
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}
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out2, _ := dockerCmd(c, "pull", repoTag2)
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var out2Lines []string
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for _, outputLine := range strings.Split(out2, "\n") {
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if strings.Contains(outputLine, imageAlreadyExists) {
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out1Lines = append(out1Lines, outputLine)
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}
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}
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c.Assert(out2Lines, checker.HasLen, len(out1Lines))
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for i := range out1Lines {
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c.Assert(out1Lines[i], checker.Equals, out2Lines[i])
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}
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}
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func (s *DockerRegistrySuite) TestPushMultipleTags(c *check.C) {
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testPushMultipleTags(c)
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}
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func (s *DockerSchema1RegistrySuite) TestPushMultipleTags(c *check.C) {
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testPushMultipleTags(c)
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}
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func testPushEmptyLayer(c *check.C) {
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repoName := fmt.Sprintf("%v/dockercli/emptylayer", privateRegistryURL)
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emptyTarball, err := ioutil.TempFile("", "empty_tarball")
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c.Assert(err, check.IsNil, check.Commentf("Unable to create test file"))
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tw := tar.NewWriter(emptyTarball)
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err = tw.Close()
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c.Assert(err, check.IsNil, check.Commentf("Error creating empty tarball"))
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freader, err := os.Open(emptyTarball.Name())
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c.Assert(err, check.IsNil, check.Commentf("Could not open test tarball"))
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defer freader.Close()
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icmd.RunCmd(icmd.Cmd{
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Command: []string{dockerBinary, "import", "-", repoName},
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Stdin: freader,
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}).Assert(c, icmd.Success)
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// Now verify we can push it
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out, _, err := dockerCmdWithError("push", repoName)
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c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out))
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}
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func (s *DockerRegistrySuite) TestPushEmptyLayer(c *check.C) {
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testPushEmptyLayer(c)
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}
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func (s *DockerSchema1RegistrySuite) TestPushEmptyLayer(c *check.C) {
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testPushEmptyLayer(c)
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}
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// testConcurrentPush pushes multiple tags to the same repo
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// concurrently.
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func testConcurrentPush(c *check.C) {
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repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
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var repos []string
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for _, tag := range []string{"push1", "push2", "push3"} {
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repo := fmt.Sprintf("%v:%v", repoName, tag)
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buildImageSuccessfully(c, repo, build.WithDockerfile(fmt.Sprintf(`
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FROM busybox
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ENTRYPOINT ["/bin/echo"]
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ENV FOO foo
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ENV BAR bar
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CMD echo %s
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`, repo)))
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repos = append(repos, repo)
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}
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// Push tags, in parallel
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results := make(chan error)
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for _, repo := range repos {
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go func(repo string) {
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result := icmd.RunCommand(dockerBinary, "push", repo)
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results <- result.Error
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}(repo)
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}
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for range repos {
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err := <-results
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c.Assert(err, checker.IsNil, check.Commentf("concurrent push failed with error: %v", err))
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}
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// Clear local images store.
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args := append([]string{"rmi"}, repos...)
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dockerCmd(c, args...)
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// Re-pull and run individual tags, to make sure pushes succeeded
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for _, repo := range repos {
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dockerCmd(c, "pull", repo)
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dockerCmd(c, "inspect", repo)
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out, _ := dockerCmd(c, "run", "--rm", repo)
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c.Assert(strings.TrimSpace(out), checker.Equals, "/bin/sh -c echo "+repo)
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}
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}
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func (s *DockerRegistrySuite) TestConcurrentPush(c *check.C) {
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testConcurrentPush(c)
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}
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func (s *DockerSchema1RegistrySuite) TestConcurrentPush(c *check.C) {
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testConcurrentPush(c)
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}
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func (s *DockerRegistrySuite) TestCrossRepositoryLayerPush(c *check.C) {
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sourceRepoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
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// tag the image to upload it to the private registry
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dockerCmd(c, "tag", "busybox", sourceRepoName)
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// push the image to the registry
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out1, _, err := dockerCmdWithError("push", sourceRepoName)
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c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out1))
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// ensure that none of the layers were mounted from another repository during push
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c.Assert(strings.Contains(out1, "Mounted from"), check.Equals, false)
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digest1 := reference.DigestRegexp.FindString(out1)
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c.Assert(len(digest1), checker.GreaterThan, 0, check.Commentf("no digest found for pushed manifest"))
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destRepoName := fmt.Sprintf("%v/dockercli/crossrepopush", privateRegistryURL)
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// retag the image to upload the same layers to another repo in the same registry
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dockerCmd(c, "tag", "busybox", destRepoName)
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// push the image to the registry
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out2, _, err := dockerCmdWithError("push", destRepoName)
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c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out2))
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// ensure that layers were mounted from the first repo during push
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c.Assert(strings.Contains(out2, "Mounted from dockercli/busybox"), check.Equals, true)
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digest2 := reference.DigestRegexp.FindString(out2)
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c.Assert(len(digest2), checker.GreaterThan, 0, check.Commentf("no digest found for pushed manifest"))
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c.Assert(digest1, check.Equals, digest2)
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// ensure that pushing again produces the same digest
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out3, _, err := dockerCmdWithError("push", destRepoName)
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c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out2))
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digest3 := reference.DigestRegexp.FindString(out3)
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c.Assert(len(digest2), checker.GreaterThan, 0, check.Commentf("no digest found for pushed manifest"))
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c.Assert(digest3, check.Equals, digest2)
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// ensure that we can pull and run the cross-repo-pushed repository
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dockerCmd(c, "rmi", destRepoName)
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dockerCmd(c, "pull", destRepoName)
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out4, _ := dockerCmd(c, "run", destRepoName, "echo", "-n", "hello world")
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c.Assert(out4, check.Equals, "hello world")
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}
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func (s *DockerSchema1RegistrySuite) TestCrossRepositoryLayerPushNotSupported(c *check.C) {
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sourceRepoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
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// tag the image to upload it to the private registry
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dockerCmd(c, "tag", "busybox", sourceRepoName)
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// push the image to the registry
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out1, _, err := dockerCmdWithError("push", sourceRepoName)
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c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out1))
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// ensure that none of the layers were mounted from another repository during push
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c.Assert(strings.Contains(out1, "Mounted from"), check.Equals, false)
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digest1 := reference.DigestRegexp.FindString(out1)
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c.Assert(len(digest1), checker.GreaterThan, 0, check.Commentf("no digest found for pushed manifest"))
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destRepoName := fmt.Sprintf("%v/dockercli/crossrepopush", privateRegistryURL)
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// retag the image to upload the same layers to another repo in the same registry
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dockerCmd(c, "tag", "busybox", destRepoName)
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// push the image to the registry
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out2, _, err := dockerCmdWithError("push", destRepoName)
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c.Assert(err, check.IsNil, check.Commentf("pushing the image to the private registry has failed: %s", out2))
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// schema1 registry should not support cross-repo layer mounts, so ensure that this does not happen
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c.Assert(strings.Contains(out2, "Mounted from"), check.Equals, false)
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digest2 := reference.DigestRegexp.FindString(out2)
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c.Assert(len(digest2), checker.GreaterThan, 0, check.Commentf("no digest found for pushed manifest"))
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c.Assert(digest1, check.Not(check.Equals), digest2)
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// ensure that we can pull and run the second pushed repository
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dockerCmd(c, "rmi", destRepoName)
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dockerCmd(c, "pull", destRepoName)
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out3, _ := dockerCmd(c, "run", destRepoName, "echo", "-n", "hello world")
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c.Assert(out3, check.Equals, "hello world")
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}
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func (s *DockerRegistryAuthHtpasswdSuite) TestPushNoCredentialsNoRetry(c *check.C) {
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repoName := fmt.Sprintf("%s/busybox", privateRegistryURL)
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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c.Assert(err, check.NotNil, check.Commentf(out))
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c.Assert(out, check.Not(checker.Contains), "Retrying")
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c.Assert(out, checker.Contains, "no basic auth credentials")
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}
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// This may be flaky but it's needed not to regress on unauthorized push, see #21054
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func (s *DockerSuite) TestPushToCentralRegistryUnauthorized(c *check.C) {
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testRequires(c, Network)
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repoName := "test/busybox"
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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c.Assert(err, check.NotNil, check.Commentf(out))
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c.Assert(out, check.Not(checker.Contains), "Retrying")
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}
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func getTestTokenService(status int, body string, retries int) *httptest.Server {
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var mu sync.Mutex
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return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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mu.Lock()
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if retries > 0 {
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w.WriteHeader(http.StatusServiceUnavailable)
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w.Header().Set("Content-Type", "application/json")
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w.Write([]byte(`{"errors":[{"code":"UNAVAILABLE","message":"cannot create token at this time"}]}`))
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retries--
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} else {
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w.WriteHeader(status)
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w.Header().Set("Content-Type", "application/json")
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w.Write([]byte(body))
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}
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mu.Unlock()
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}))
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}
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func (s *DockerRegistryAuthTokenSuite) TestPushTokenServiceUnauthResponse(c *check.C) {
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ts := getTestTokenService(http.StatusUnauthorized, `{"errors": [{"Code":"UNAUTHORIZED", "message": "a message", "detail": null}]}`, 0)
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defer ts.Close()
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s.setupRegistryWithTokenService(c, ts.URL)
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repoName := fmt.Sprintf("%s/busybox", privateRegistryURL)
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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c.Assert(err, check.NotNil, check.Commentf(out))
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c.Assert(out, checker.Not(checker.Contains), "Retrying")
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c.Assert(out, checker.Contains, "unauthorized: a message")
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}
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func (s *DockerRegistryAuthTokenSuite) TestPushMisconfiguredTokenServiceResponseUnauthorized(c *check.C) {
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ts := getTestTokenService(http.StatusUnauthorized, `{"error": "unauthorized"}`, 0)
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defer ts.Close()
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s.setupRegistryWithTokenService(c, ts.URL)
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repoName := fmt.Sprintf("%s/busybox", privateRegistryURL)
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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c.Assert(err, check.NotNil, check.Commentf(out))
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c.Assert(out, checker.Not(checker.Contains), "Retrying")
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split := strings.Split(out, "\n")
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c.Assert(split[len(split)-2], check.Equals, "unauthorized: authentication required")
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}
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func (s *DockerRegistryAuthTokenSuite) TestPushMisconfiguredTokenServiceResponseError(c *check.C) {
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ts := getTestTokenService(http.StatusTooManyRequests, `{"errors": [{"code":"TOOMANYREQUESTS","message":"out of tokens"}]}`, 3)
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defer ts.Close()
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s.setupRegistryWithTokenService(c, ts.URL)
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repoName := fmt.Sprintf("%s/busybox", privateRegistryURL)
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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c.Assert(err, check.NotNil, check.Commentf(out))
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// TODO: isolate test so that it can be guaranteed that the 503 will trigger xfer retries
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//c.Assert(out, checker.Contains, "Retrying")
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//c.Assert(out, checker.Not(checker.Contains), "Retrying in 15")
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split := strings.Split(out, "\n")
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c.Assert(split[len(split)-2], check.Equals, "toomanyrequests: out of tokens")
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}
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func (s *DockerRegistryAuthTokenSuite) TestPushMisconfiguredTokenServiceResponseUnparsable(c *check.C) {
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ts := getTestTokenService(http.StatusForbidden, `no way`, 0)
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defer ts.Close()
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s.setupRegistryWithTokenService(c, ts.URL)
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repoName := fmt.Sprintf("%s/busybox", privateRegistryURL)
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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c.Assert(err, check.NotNil, check.Commentf(out))
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c.Assert(out, checker.Not(checker.Contains), "Retrying")
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split := strings.Split(out, "\n")
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c.Assert(split[len(split)-2], checker.Contains, "error parsing HTTP 403 response body: ")
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}
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func (s *DockerRegistryAuthTokenSuite) TestPushMisconfiguredTokenServiceResponseNoToken(c *check.C) {
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ts := getTestTokenService(http.StatusOK, `{"something": "wrong"}`, 0)
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defer ts.Close()
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s.setupRegistryWithTokenService(c, ts.URL)
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repoName := fmt.Sprintf("%s/busybox", privateRegistryURL)
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dockerCmd(c, "tag", "busybox", repoName)
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out, _, err := dockerCmdWithError("push", repoName)
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c.Assert(err, check.NotNil, check.Commentf(out))
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c.Assert(out, checker.Not(checker.Contains), "Retrying")
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split := strings.Split(out, "\n")
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c.Assert(split[len(split)-2], check.Equals, "authorization server did not include a token in the response")
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}
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